What is GHSA-xgj3-w2cc-qgrq?

GHSA-xgj3-w2cc-qgrq is a security advisory published by GitHub Security Advisories with High severity. Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized...

Which CVE IDs does GHSA-xgj3-w2cc-qgrq cover?

GHSA-xgj3-w2cc-qgrq covers the following CVE IDs: CVE-2026-109492. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xgj3-w2cc-qgrq?

GHSA-xgj3-w2cc-qgrq has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-xgj3-w2cc-qgrqHighCVSS 8.8

Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-109492 →

📋 Description

Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized attacker to elevate privileges over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-109492
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109492
https://github.com/advisories/GHSA-xgj3-w2cc-qgrq